MLA Style
"Central and South American Languages." YourDictionary. LoveToKnow, n.d. Web. 21 May 2013. <http://www.yourdictionary.com/languages/southam.html>.
APA Style
Central and South American Languages. (n.d.). Retrieved May 21st, 2013, from http://www.yourdictionary.com/languages/southam.html